DS550-3
Key Features
- When the power supply is on and running normal P6 is low
- When the power supply is off, either due to -PS_ON, PS_KILL, or a fault, then P6 is high
- If the supply is turned off due to -PS_ON, PS_KILL, or a fault, then P7 remains high
- The PSU will provides an open collector Tach 1 output
- This signal is generated from the fan
- The signal should generate 2 pulses per revolution
- The logic in the system will be operating at 3.3 V
- Specification, Q3205
